Properties of the Number 5921

Five Thousand Nine Hundred Twenty-One

Basics

Value: 5920 → 5921 → 5922

Parity: odd

Prime: No

Previous Prime: 5903

Next Prime: 5923

Digit Sum: 17

Digital Root: 8

Palindrome: No

Factorization: 31 × 191

Divisors: 1, 31, 191, 5921

Polygonal

Triangular: No

Square: No

Pentagonal: No

Hexagonal: No

Heptagonal: No

Tetrahedral: No

Today's Target

2730 Try Today's Challenge

Representations

Binary: 1011100100001

Octal: 13441

Duodecimal: 3515

Hexadecimal: 1721

Square: 35058241

Square Root: 76.94803441284255

Classification

Fibonacci: No

Bell Number: No

Factorial Number: No

Regular Number: No

Perfect Number: No

Special

Kaprekar Constant: No

Munchausen Constant: No

Armstrong Number: No

Kaprekar Number: No

Catalan Number: No

Vampire Number: No

Taxicab Number: No

Super Prime: No

Friedman Number: No

Fermat Number: No

Cullen Number: No

OEIS Sequences

a(n) = (n+1)*(n² +8·n +6)/6. Number of n-dimensional partitions of 4. Number of terms in 4th derivative of a function composed with itself n times. A8778

T(n,k)=Number of length-n 0..k arrays with no following elements larger than the first repeated value. A267471

Numbers of the form (4k+3)²+4 or (4k+5)²-8. A214393

Expansion of series reversion of x*(1 - x³*∑_k>=1 x^k). A215342

Numbers n such that the decimal number concat(2,n) is a square. A273357

a(n) = 4·n² + 4·n - 7. A166147

Second 14-gonal numbers: n*(6·n+5). A211014

Numbers k such that k and 8·k, taken together, are zeroless pandigital. A115932

a(n) = ∑_i=0..n digsum₆(i)³, where digsum₆(i) = A053827(i). A231674

Terms of A121707 not in A267999. A306097